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In year ending to September 2015, average speeds on local ‘A’ roads in England during the weekday morning peak were 23.6 mph. This is a 0.5% decrease on the year ending June 2015.

For individual months, average speeds on local ‘A’ roads in England were slower across July and September 2015, with decreases of 2.2% and 3.5% respectively, compared to the same months in 2014. The month of August 2015 is excluded from this measure.

The fall in average speeds observed in recent years is likely to be partly attributed to increases in traffic levels on the ‘A’ road network over the same period. Intermittent periods of high rainfall over this period may also help to explain some of the observed decreases in speed.